Cartesian Coordinate System

Understand how to plot a point and read a point on the Cartesian coordinate system.  The x-axis runs horizontally (left and right) and the y-axis runs vertically (up and down).  A point is read first by its’ x-location and then by its’ y-location on the graph.  The point is identified as (x,y).  The point where the two axes meet is called the origin and is designated (0,0).  The four quadrants of this system are numbered counter-clockwise with quadrant I being (+,+) in nature, quadrant II being (-,+), quadrant III being (-,-) and quadrant IV (+,-).

General Algebra Tips

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This page was edited on 19-Sep-2007